package com.common.service;

import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.concurrent.Executor;

/**
 * @author Tsing
 * 线程池服务
 */
@Component
@EnableAsync
public class ThreadPoolService {

    @Bean("taskExecutor")
    public Executor asyncServiceExecutor(){
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //设置核心线程数
        executor.setCorePoolSize(5);
        //设置最大线程数
        executor.setMaxPoolSize(20);
        //设置队列大小
        executor.setQueueCapacity(Integer.MAX_VALUE);
        //设置线程活跃时间(单位:秒)
        executor.setKeepAliveSeconds(60);
        //任务结束之后关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        //执行初始化
        executor.initialize();
        return executor;
    }
}
